The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 27, 1993
Filed:
Nov. 29, 1991
Applicant:
Inventors:
Shigeo Tachiki, Hitachi, JP;
Masahiko Hiro, Hitachi, JP;
Toshihiko Akahori, Hitachi, JP;
Takuro Kato, Hitachi, JP;
Assignee:
Hitachi Chemical Company, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03C / ;
U.S. Cl.
CPC ...
430270 ; 430326 ; 430327 ; 430910 ; 430919 ; 430921 ; 430935 ; 522 57 ; 522 59 ; 522 86 ; 522153 ; 2041806 ; 2041816 ;
Abstract
A resin composition comprising (A) a copolymer obtained by copolymerizing (a) acrylic acid and/or methacrylic acid, (b) at least one compound having an unstable group against an acid such as t-amyl acrylate, t-amyl methacrylate, etc. and (c) a copolymerizable monomer such as n-butyl acrylate and (B) a photoacid generator is effective for providing an electro-deposition bath good in water dispersion stability and an electrodeposited film having high sensitivity and high resolution.